 /*******************************************************************************
  * Copyright (c) 2000, 2005 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/

 package org.eclipse.update.operations;

 import java.lang.reflect.*;

 import org.eclipse.core.runtime.*;

 /**
  * Base update manager operation.
  * <p>
  * <b>Note:</b> This class/interface is part of an interim API that is still under development and expected to
  * change significantly before reaching stability. It is being made available at this early stage to solicit feedback
  * from pioneering adopters on the understanding that any code that uses this API will almost certainly be broken
  * (repeatedly) as the API evolves.
  * </p>
  * @since 3.0
  */
 public interface IOperation {
     /**
      * Returns true when the operation has been processed.
      * @return true when the operation completed.
      */
     public abstract boolean isProcessed();
     /**
      * Marks the operation as processed.
      */
     public abstract void markProcessed();
     /**
      * Executes operation.
      * @param pm Progress monitor for the operation
      * @param listener Operation listener
      * @return true if operation was successful and a restart is needed.
      * @throws CoreException
      * @throws InvocationTargetException
      */
     public abstract boolean execute(IProgressMonitor pm, IOperationListener listener) throws CoreException, InvocationTargetException;
 }

